2023 Toyota Prius PrimeCoolant Type & Capacity

OEM spec from the factory service manual for the SE variant.

Quick Answer

Coolant Type

TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology

Capacity

6.40 QTS.

6.05 L

Variant

SE

Note: DO NOT use plain water alone. The fluid capacity is the quantity of reference.
Source: Factory service manual β€” 2023 Toyota Prius Prime SE. View full manual section β†’

Frequently Asked Questions

What type of coolant does a 2023 Toyota Prius Prime take?
The 2023 Toyota Prius Prime requires TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology. The exact spec may vary slightly by engine variant β€” this page shows the OEM recommendation for the SE configuration.
How much coolant does a 2023 Toyota Prius Prime hold?
The 2023 Toyota Prius Prime cooling system capacity is 6.40 QTS. (6.05 L).
Can I use universal coolant in my 2023 Toyota Prius Prime?
It is strongly recommended to use coolant that meets the TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology specification. Universal coolants may not provide the correct corrosion protection for your engine's materials.
What happens if I use the wrong coolant in my 2023 Toyota Prius Prime?
Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.